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<p>being named the father of modern optics, in particular for his Astronomiae pars optica. He also invented an improved version of the <a href="page.php?w=refracting_telescope">refracting telescope</a>, the Keplerian telescope, which became the foundation of the modern refracting telescope, while also improving on the telescope design  by <a href="page.php?w=Galileo_Galilei">Galileo Galilei</a>, who mentioned Kepler's discoveries in his work. He postulated the <a href="page.php?w=Kepler_conjecture">Kepler conjecture</a>. Kepler influenced among</p><p>
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